Re: Options in ListContourPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg82174] Re: Options in ListContourPlot
- From: Szabolcs Horvát <szhorvat at gmail.com>
- Date: Sun, 14 Oct 2007 06:05:45 -0400 (EDT)
- References: <200710110419.AAA21372@smc.vnet.net> <fepq7m$dg5$1@smc.vnet.net>
Curtis Osterhoudt wrote: > On Wednesday 10 October 2007 22:19:25 olalla wrote: >> Hello everybody, >> >> I really need somebody to explain to me how the ListContourPlot >> command works. >> I mean, when I use it, the resulting plot has the same colour in the >> region where the scalar field is maximum as in the region where the >> field in minimum. >> So the question is: >> when I have an array of values representing the value of a field at a >> point what does ListContourPlot exactly does? >> >> Thanks in advance >> >> Olalla >> >> Bilbao, UPV/EHU > > Hi, Olalla, > > I suspect you're using a version of Mathematica prior to 6, because 6 uses > a default ColorFunction which colors the levels differently for the minimum > and maximum. In previous versions (at least in 5), the default color function > was "Hue", which has the dubious advantage of being periodic in the visible > color range. This was my first thought too, but in version 5 the default is GrayLevel, not Hue: http://documents.wolfram.com/mathematica/Built-inFunctions/GraphicsAndSound/ContourPlots/FurtherExamples/ListContourPlot.html More precisely it is "Automatic", but it always gives GrayLevel for me. In[2]:= ColorFunction/.Options[ListContourPlot] Out[2]= Automatic > > You can change the ColorFunction for your plot by trying something like: > > ListContourPlot[<your list>, ColorFunction -> (Hue[0.73*(1 - #)] &)] > > > -- Szabolcs
- References:
- Options in ListContourPlot
- From: olalla <operez009@ikasle.ehu.es>
- Options in ListContourPlot